{"id":139365,"date":"2018-05-18T08:01:02","date_gmt":"2018-05-18T00:01:02","guid":{"rendered":"\/\/m.iemloyee.com\/?p=139365"},"modified":"2018-05-18T08:55:45","modified_gmt":"2018-05-18T00:55:45","slug":"%e4%bb%8a%e6%97%a5%e5%8c%97%e8%88%aa%e5%92%8c%e5%8d%97%e7%a7%91%e5%a4%a7%e5%bc%ba%e5%bc%ba%e8%81%94%e5%90%88%e5%8f%91%e8%a1%a8%e7%83%ad%e7%82%b9%e6%9d%90%e6%96%99science%e9%87%8d%e7%a3%85%ef%bc%9a","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=139365","title":{"rendered":"\u4eca\u65e5\u5317\u822a\u548c\u5357\u79d1\u5927\u5f3a\u5f3a\u8054\u5408\u53d1\u8868\u70ed\u7535\u6750\u6599Science\u91cd\u78c5\uff1a\u5e73\u9762\u5916n-\u578bSnSe\u6676\u4f53\u83b7\u5f97\u6700\u5927ZT\u503c"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u70ed\u7535\u6280\u672f\u5c06\u70ed\u80fd\u8f6c\u5316\u4e3a\u7535\u80fd\uff0c\u901a\u8fc7\u6536\u96c6\u5de5\u4e1a\u5e9f\u70ed\u63d0\u4f9b\u4e86\u4e00\u6761\u6709\u5229\u73af\u4fdd\u7684\u53d1\u7535\u9014\u5f84\u3002\u70ed\u7535\u6750\u6599\u7684\u8f6c\u6362\u6548\u7387\u7531\u65e0\u91cf\u7eb2\u7684\u56e0\u6570ZT = [\uff08S2<\/sup>\u03c3\uff09\/\u043a] T\u786e\u5b9a\uff0c\u5176\u4e2dS\uff0c\u03c3\uff0c\u043a\u548cT\u5206\u522b\u662fSeebeck\u7cfb\u6570\uff0c\u7535\u5bfc\u7387\uff0c\u70ed\u5bfc\u7387\u548c\u7edd\u5bf9\u6e29\u5ea6\u3002\u7136\u800c\uff0c\u70ed\u7535\u53c2\u6570\u4e4b\u95f4\u590d\u6742\u7684\u76f8\u4e92\u5173\u7cfb\u963b\u788d\u4e86\u6211\u4eec\u6700\u5927\u5316ZT\u503c\u548c\u8f6c\u6362\u6548\u7387\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u5df2\u7ecf\u91c7\u7528\u5404\u79cd\u65b9\u6cd5\u6765\u4f18\u5316\u8fd9\u4e9b\u4e34\u754c\u70ed\u7535\u53c2\u6570\uff0c\u4f8b\u5982\u901a\u8fc7\u5de5\u7a0b\u5e26\u7ed3\u6784\u6765\u63d0\u9ad8\u7535\u8f93\u8fd0\u6027\u8d28\uff0c\u901a\u8fc7\u6563\u5c04\u5168\u5c3a\u5bf8\u957f\u5ea6\u58f0\u5b50\u6765\u964d\u4f4e\u70ed\u5bfc\u7387\uff0c\u5e76\u4e14\u5bfb\u627e\u5177\u6709\u4f4e\u70ed\u5bfc\u7387\u7684\u6f5c\u5728\u6750\u6599\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u5317\u4eac\u65f6\u95f42018\u5e745\u670818\u65e5\uff0c\u5317\u4eac\u822a\u7a7a\u822a\u5929\u5927\u5b66\u5927\u5b66\u8d75\u7acb\u4e1c\u3001\u5357\u65b9\u79d1\u6280\u5927\u5b66\u4f55\u4f73\u6e05\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u8054\u624b\u5728Science\u53d1\u8868\u9898\u4e3a\u201c3D charge and 2D phonon transports leading to high out-of-plane ZT<\/em> in n-type SnSe crystals<\/strong>\u201d\u7684\u91cd\u78c5\u6587\u7ae0\uff0c\u5728773K\u6e29\u5ea6\u4e0b\u5b9e\u73b0\u4e86\u5728\u5e73\u9762\u5916\u7684n\u578b\u7852\u5316\u9521\uff08SnSe\uff09\u6676\u4f53\u4e2d\u6700\u5927ZT\u4e3a\u301c2.8\u00b10.5\u3002\u5c42\u72b6SnSe\u6676\u4f53\u7684\u70ed\u5bfc\u7387\u5728\u9762\u5916\u65b9\u5411[\u4e8c\u7ef4\uff082D\uff09\u58f0\u5b50\u4f20\u8f93]\u4e2d\u662f\u6700\u4f4e\u7684\u3002\u7528\u6eb4\u63ba\u6742SnSe\u4ee5\u5236\u5907\u5177\u6709\u91cd\u53e0\u5c42\u95f4\u7535\u8377\u5bc6\u5ea6\uff083D\u7535\u8377\u8f93\u8fd0\uff09\u7684n\u578bSnSe\u6676\u4f53\u3002 \u8fde\u7eed\u7684\u76f8\u53d8\u589e\u52a0\u4e86\u5bf9\u79f0\u6027\u5e76\u4f7f\u4e24\u4e2a\u4f1a\u805a\u5bfc\u5e26\u53d1\u6563\u3002\u8fd9\u4e24\u4e2a\u56e0\u7d20\u6539\u5584\u4e86\u8f7d\u6ce2\u7684\u79fb\u52a8\u6027\uff0c\u540c\u65f6\u4fdd\u7559\u4e86\u5f88\u5927\u7684Seebeck\u7cfb\u6570\u3002\u7814\u7a76\u7ed3\u679c\u53ef\u5e94\u7528\u4e8e\u4e8c\u7ef4\u5206\u5c42\u6750\u6599\uff0c\u5e76\u63d0\u4f9b\u4e00\u79cd\u65b0\u7684\u7b56\u7565\u6765\u589e\u5f3a\u5e73\u9762\u5916\u7535\u8f93\u8fd0\u6027\u80fd\u800c\u4e0d\u964d\u4f4e\u70ed\u6027\u80fd\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe1 ZT\u503c\u4f5c\u4e3a\u6e29\u5ea6\u7684\u51fd\u6570\uff0c\u4ee5\u53ca\u6cbf\u5e73\u9762\u5916\u65b9\u5411\u7684n\u578b\u548cp\u578bSnSe\u6676\u4f53\u4e2d\u7684\u58f0\u5b50\u548c\u7535\u8377\u4f20\u8f93<\/strong>\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe2 \u9762\u5916n\u578b\u548cp\u578bSnSe\u6676\u4f53\u7684\u70ed\u7535\u6027\u8d28\u4f5c\u4e3a\u6e29\u5ea6\u7684\u51fd\u6570<\/strong><\/p>\n

\"\"<\/strong>\u56fe3 <\/strong>n\u578b\u548cp\u578bSnSe\u7684<\/strong>\u6676\u4f53\u7ed3\u6784\uff0cDOS\u548c\u7535\u8377\u5bc6\u5ea6<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe4 \u539f\u4f4dCs\u6821\u6b63TEM\uff0cCs\u6821\u6b63TEM\u68c0\u6d4b\u5230\u7684Se\u4f4d\u79fb\uff0c\u4ee5\u53can\u578b\u548cp\u578bSnSe\u7684SR-XRD<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe5 DFT\u8ba1\u7b97\u7684\u80fd\u5e26\u7ed3\u6784\uff0cSeebeck\u7cfb\u6570\u548c\u968f\u7740\u6e29\u5ea6\u5347\u9ad8\u7684n\u578bSnSe\u7684\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387<\/strong><\/p>\n

\"\"<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a3D charge and 2D phonon transports leading to high out-of-plane ZT<\/em> in n-type SnSe crystals<\/a>\uff08Science,2018,DOI:10.1126\/science.aaq1479\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u5b66\u672f\u7ec4Allen\u4f9b\u7a3f\uff0c\u6750\u6599\u4eba\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\u6750\u6599\u4eba\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\u3002<\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu\u3002<\/b><\/strong><\/p>\n

\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u70ed\u7535\u6280\u672f\u5c06\u70ed\u80fd\u8f6c\u5316\u4e3a\u7535\u80fd\uff0c\u901a\u8fc7\u6536\u96c6\u5de5\u4e1a\u5e9f\u70ed\u63d0\u4f9b\u4e86\u4e00\u6761\u6709\u5229\u73af\u4fdd\u7684\u53d1\u7535\u9014\u5f84\u3002\u70ed\u7535\u6750\u6599\u7684\u8f6c\u6362\u6548\u7387\u7531\u65e0\u91cf\u7eb2\u7684\u56e0\u6570ZT = [\uff08S2\u03c3\uff09\/\u043a] T\u786e\u5b9a\uff0c\u5176\u4e2dS\uff0c…<\/p>\n","protected":false},"author":349,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67],"tags":[],"class_list":["post-139365","post","type-post","status-publish","format-standard","hentry","category-zhoubao"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/139365"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/349"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=139365"}],"version-history":[{"count":6,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/139365\/revisions"}],"predecessor-version":[{"id":139381,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/139365\/revisions\/139381"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=139365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=139365"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=139365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}